87581166346 has 8 divisors (see below), whose sum is σ = 131378638464. Its totient is φ = 43788286860.

The previous prime is 87581166319. The next prime is 87581166353. The reversal of 87581166346 is 64366118578.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1100080 + ... + 1177003.

It is an arithmetic number, because the mean of its divisors is an integer number (16422329808).

Almost surely, 2^87581166346 is an apocalyptic number.

87581166346 is a deficient number, since it is larger than the sum of its proper divisors (43797472118).

87581166346 is a wasteful number, since it uses less digits than its factorization.

87581166346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296316.

The product of its digits is 5806080, while the sum is 55.

The spelling of 87581166346 in words is "eighty-seven billion, five hundred eighty-one million, one hundred sixty-six thousand, three hundred forty-six".